Petrotest Instruments

Any device whose MAC address begins with 00:1C:4C has a network interface built by Petrotest Instruments. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1C:4C

Organization

Petrotest Instruments

Address

Ludwig-Erhard-Ring 13 Dahlewitz BBG DE 15827

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.